More robust exception handling

main.py

@@ -39,48 +39,57 @@ def check_mentions():
 def process_tweets():
     global mention_queue
     while True:
-        if not mention_queue.empty():
-            tweet = mention_queue.get()
-            update_id(tweet.id_str)
-            thread = []
-            users_to_names = {} # This will serve to link @display_names with usernames
-            counter = Counter()
-            current_tweet = tweet
-            # In the case of Quotes I have to check for its presence instead of whether its None because Twitter API designers felt creative that week
-            while current_tweet.in_reply_to_status_id_str or hasattr(current_tweet, 'quoted_status_id_str'):
-                current_tweet = api.get_status(current_tweet.in_reply_to_status_id_str or current_tweet.quoted_status_id_str, tweet_mode="extended")
-                sanitize_tweet(current_tweet)
-                users_to_names[current_tweet.author.screen_name] = current_tweet.author.name
-                counter.update({current_tweet.author.screen_name: 1})  
-                thread.insert(0, Comment(current_tweet))
-            if (len(users_to_names) >= 2):
-                most_common = [users_to_names[t[0]] for t in counter.most_common()]
-                characters = anim.get_characters(most_common)
-                output_filename = tweet.id_str + '.mp4'
-                anim.comments_to_scene(thread, characters, output_filename=output_filename)
-                # Give some time to the other thread
-                time.sleep(1)
-                try:
-                    uploaded_media = api.media_upload(output_filename, media_category='TWEET_VIDEO')
-                    while (uploaded_media.processing_info['state'] == 'pending'):
-                        time.sleep(uploaded_media.processing_info['check_after_secs'])
-                        uploaded_media = api.get_media_upload_status(uploaded_media.media_id_string)
-                    api.update_status('@' + tweet.author.screen_name + ' ', in_reply_to_status_id=tweet.id_str, media_ids=[uploaded_media.media_id_string])
-                except tweepy.error.TweepError as e:
+        try:
+            if not mention_queue.empty():
+                tweet = mention_queue.get()
+                update_id(tweet.id_str)
+                thread = []
+                users_to_names = {} # This will serve to link @display_names with usernames
+                counter = Counter()
+                current_tweet = tweet
+                # In the case of Quotes I have to check for its presence instead of whether its None because Twitter API designers felt creative that week
+                while current_tweet.in_reply_to_status_id_str or hasattr(current_tweet, 'quoted_status_id_str'):
                     try:
-                        api.update_status('@' + tweet.author.screen_name + ' ' + str(e), in_reply_to_status_id=tweet.id_str)
-                    except Exception as second_error:
-                        print (second_error)
-                    print(e)
-                os.remove(output_filename)
+                        current_tweet = api.get_status(current_tweet.in_reply_to_status_id_str or current_tweet.quoted_status_id_str, tweet_mode="extended")
+                        sanitize_tweet(current_tweet)
+                        users_to_names[current_tweet.author.screen_name] = current_tweet.author.name
+                        counter.update({current_tweet.author.screen_name: 1})  
+                        thread.insert(0, Comment(current_tweet))
+                    except tweepy.error.TweepError as e:
+                        try:
+                            api.update_status('@' + tweet.author.screen_name + ' I\'m sorry. I wasn\'t able to retrieve the full thread. Deleted tweets or private accounts may exist', in_reply_to_status_id=tweet.id_str)
+                        except Exception as second_error:
+                            print (second_error)
+                if (len(users_to_names) >= 2):
+                    most_common = [users_to_names[t[0]] for t in counter.most_common()]
+                    characters = anim.get_characters(most_common)
+                    output_filename = tweet.id_str + '.mp4'
+                    anim.comments_to_scene(thread, characters, output_filename=output_filename)
+                    # Give some time to the other thread
+                    time.sleep(1)
+                    try:
+                        uploaded_media = api.media_upload(output_filename, media_category='TWEET_VIDEO')
+                        while (uploaded_media.processing_info['state'] == 'pending'):
+                            time.sleep(uploaded_media.processing_info['check_after_secs'])
+                            uploaded_media = api.get_media_upload_status(uploaded_media.media_id_string)
+                        api.update_status('@' + tweet.author.screen_name + ' ', in_reply_to_status_id=tweet.id_str, media_ids=[uploaded_media.media_id_string])
+                    except tweepy.error.TweepError as e:
+                        try:
+                            api.update_status('@' + tweet.author.screen_name + ' ' + str(e), in_reply_to_status_id=tweet.id_str)
+                        except Exception as second_error:
+                            print (second_error)
+                        print(e)
+                    os.remove(output_filename)
+                else:
+                    try:
+                        api.update_status('@' + tweet.author.screen_name + " There should be at least two people in the conversation", in_reply_to_status_id=tweet.id_str)
+                    except Exception as e:
+                        print(e)
+                time.sleep(2)
             else:
-                try:
-                    api.update_status('@' + tweet.author.screen_name + " There should be at least two people in the conversation", in_reply_to_status_id=tweet.id_str)
-                except Exception as e:
-                    print(e)
-            time.sleep(2)
-        else:
-            time.sleep(10)
+                time.sleep(10)
+        except Exception as e:
+            print(e)
 
 
 ################################## Main